Home / 5,274.28-7,277.75-4,480.79

Finding the Fourth Proportional to 5,274.28, 7,277.75 and 4,480.79

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Solution

The fourth proportional to 5,274.28, 7,277.75 and 4,480.79 is: 6,182.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274.28 : 7,277.75 = 4,480.79 : x
  2. Step 2: Convert to fraction form
    5,274.28/7,277.75 = 4,480.79/x
  3. Step 3: Cross multiply
    5,274.28x = 7,277.75 × 4,480.79
  4. Step 4: Simplify right side
    5,274.28x = 32,610,027.43
  5. Step 5: Solve for x
    x = 32,610,027.43/5,274.28
  6. Step 6: Final answer
    x = 6,182.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.